A linear graph of the cost of broccoli in dollars per pound has the points (3,8.25) and (6,16.50) . What is the rate of change in the purchase price in dollars per pound?

Answer 1

The rate of change of the purchase price in dollars per pound is equal to the slope of the linear graph connecting the two given points.

Using the formula for slope, we have:

slope = (change in y)/(change in x)

slope = (16.50 - 8.25)/(6 - 3)

slope = 8.25/3

slope ≈ 2.75

Therefore, the rate of change in the purchase price in dollars per pound is approximately $2.75 per pound.